vt.

1. 得到；获得，赢得（战争、诉讼等）
   Our army gained the battle.

   我们的军队赢得了那场战役。

   He gained possession of more land.

   他拥有了更多的土地。

2. 使得到[O1]
   He had gained himself a reputation for unfairness.

   他使自己得到了一个不公正的名声。

3. 增加，增添
   I gained five pounds in a week.

   我一个星期体重增加了五磅。

4. 到达
   We gained our destination before dark.

   我们天黑之前到达了目的地。

5. （钟、表等）快
   My watch gains five minutes a day.

   我的表一天快五分钟。

vi.

1. 获利，赚钱；得益[（+by/from）]
   We all gained from the experience.

   我们都从这次经验中获益。

2. 取得进展；得到改善；增进健康
   The singer is gaining in popularity.

   这歌手越来越受到人们的欢迎。

3. （钟、表等）走快

n.

1. 获得；增加；获利[U][C]
   The baby had a gain of half a pound.

   婴儿的体重增加了半磅。

   He served the public wholeheartedly, regardless of his personal gain or loss.

   他全心全意为公众服务，从不计较个人得失。

2. 获得物；收益，利润[C]
   He escaped to South America with his ill-gotten gains.

   他带着不义之财逃往南美。

v.

1. obtain or secure (something favourable).
   ▸benefit:

   managers would gain from greater openness.
2. reach or arrive at (a destination).
   ▸ (gain on) come closer to (a person or thing pursued).
3. increase the amount or rate of (weight, speed, etc.).
   ▸increase in value.
   ▸(of a clock or watch) become fast by (a specific amount of time).
4. (gain in) increase in (a quality):
   canoeing is gaining in popularity.

n.

1. a thing that is gained.
2. an increase in wealth or resources.
3. the factor by which power or voltage is increased in an amplifier or other electronic device, usually expressed as a logarithm.